21754544

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10223}}^1$

素因数の和:10257

約数の個数: 40

約数和(自身を含む): 50711040

約数和(自身を除く): 28956496

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 10223, 20446, 40892, 71561, 81784, 143122, 163568, 194237, 286244, 388474, 572488, 776948, 1144976, 1359659, 1553896, 2719318, 3107792, 5438636, 10877272, 21754544]

約数ペア:

[(1, 21754544), (2, 10877272), (4, 5438636), (7, 3107792), (8, 2719318), (14, 1553896), (16, 1359659), (19, 1144976), (28, 776948), (38, 572488), (56, 388474), (76, 286244), (112, 194237), (133, 163568), (152, 143122), (266, 81784), (304, 71561), (532, 40892), (1064, 20446), (2128, 10223)]